Penguin takes a hit for Galavan's murder, but doesn't let Gordon off easily. Meanwhile, Gordon and Bullock investigate the body-snatching spree of Victor Fries, one of Gotham's preeminent cryogenics engineers.

As Gordon, Bullock and Barnes continue the search for Victor Fries, they are forced to look to his wife, Nora, for help. Meanwhile, Penguin is introduced to Hugo Strange, and Alfred reveals some crucial information to Bruce about his parents' murderer.

Alfred and Selina help Bruce search for his parents' killer, Matches Malone; Gordon goes to Edward Nygma with Kristen Kringle's whereabouts; Hugo Strange continues working to reduce the Penguin's aggression.

In an attempt to clear his name, Gordon steals his case file and approaches Nygma for help. Meanwhile, Penguin discovers his step-family's role in his father's death, and awakens from his conditioning.

After leaving Arkham Asylum, Barbara attempts to make amends with Gordon. Then, Bruce and Alfred track down one of Thomas Wayne's former friends from Project Chimera, but Hugo Strange disrupts their plans.

Gordon and Bruce question Professor Strange about project chimera which leads Strange to send the newly resurrected Galavan to confront Gordon. Meanwhile, Gordon investigate's who Professor Strange is.

Azrael is on the loose in Gotham City, which sparks Penguin's need for revenge. Meanwhile, Bruce enlists the help of Selina Kyle to help track down Professor Strange, as he evades arrest for his experiments.

Hugo Strange welcomes a familiar face to Gotham after he resurrects Fish Mooney in Indian Hill. Later, Bruce discovers a friend is in danger and teams up with Gordon, Alfred and Lucius, while uncovering more of Strange's experiments.

While Gordon, Bruce and Lucius remain at Indian Hill, the city of Gotham will be met with a new threat as Hugo Strange’s inmates devise a plan to escape and start their new lives in Gotham.

Fish Mooney takes matters into her own hands to locate Hugo Strange, forcing Gordon to reluctantly team up with journalist Valerie Vale to find her. Penguin rises in popularity after criticizing the work of the GCPD and Bruce's investigation of the Court of Owls is compromised. Meanwhile, Ivy Pepper is reintroduced into Gotham city.

Gordon tracks down the weapon the Court of Owls intend to use for the destruction of Gotham; Kathryn and Temple Shaman tell Bruce about their next move; Ivy offers Selina help.

Gordon races against the clock to save the city from the Alice Tetch Virus, when Lee Thompkins intercepts with a plan of her own. Also, Alfred sees a big change in Bruce Wayne after his work with The Shaman. Meanwhile, some of Gotham's most deranged villains band together.

With the deadly virus spreading throughout the city, the search for the antidote continues, as Fish Mooney, The Riddler and Penguin reveal plans of their own. Bruce meets Ra's al Ghul and completes his last task in order to fulfill his destiny, but realizes he can't let go of his past. Meanwhile, Gordon tries to win back Lee, and past alliances within Gotham City are broken, while new alliances are formed.

Jeremiah warns a skeptical Gordon of more destruction coming Gotham's way, and Gordon is forced to make a potentially devastating decision. Meanwhile, Barbara rallies together a team to secure her position, as alliances in the underworld shift and prove no one can be trusted. Then, Bruce is forced to come to terms with the future.

A military task force, led by Eduardo Dorrance is called in to provide relief to Gotham. Meanwhile, Nygma looks for answers from Penguin, who leads him back to Hugo Strange. Then, Bruce is concerned about Selina's recent behavior.

On the precipice of Gotham's reunification, Gordon and Bruce find themselves face-to-face with a newly transformed Eduardo, and discover the real mastermind behind the city's current chaos. Meanwhile, a pregnant Barbara turns to Lee for help.